mojo/shell/content_handler_connection.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef MOJO_SHELL_CONTENT_HANDLER_CONNECTION_H_
   6 #define MOJO_SHELL_CONTENT_HANDLER_CONNECTION_H_
   7
   8 #include <string>
   9
  10 #include "mojo/application/public/interfaces/content_handler.mojom.h"
  11 #include "mojo/shell/capability_filter.h"
  12 #include "url/gurl.h"
  13
  14 namespace mojo {
  15 namespace shell {
  16
  17 class ApplicationManager;
  18 struct Identity;
  19
  20 // A ContentHandlerConnection is responsible for creating and maintaining a
  21 // connection to an app which provides the ContentHandler service.
  22 // A ContentHandlerConnection can only be destroyed via CloseConnection.
  23 // A ContentHandlerConnection manages its own lifetime and cannot be used with
  24 // a scoped_ptr to avoid reentrant calls into ApplicationManager late in
  25 // destruction.
  26 class ContentHandlerConnection {
  27  public:
  28   // |id| is a unique identifier for this content handler.
  29   ContentHandlerConnection(ApplicationManager* manager,
  30                            const Identity& originator_identity,
  31                            const CapabilityFilter& originator_filter,
  32                            const GURL& content_handler_url,
  33                            const std::string& qualifier,
  34                            const CapabilityFilter& filter,
  35                            uint32_t id);
  36
  37   // Closes the connection and destroys |this| object.
  38   void CloseConnection();
  39
  40   ContentHandler* content_handler() { return content_handler_.get(); }
  41   const GURL& content_handler_url() { return content_handler_url_; }
  42   const std::string& content_handler_qualifier() {
  43     return content_handler_qualifier_;
  44   }
  45   uint32_t id() const { return id_; }
  46
  47  private:
  48   ~ContentHandlerConnection();
  49
  50   ApplicationManager* manager_;
  51   GURL content_handler_url_;
  52   std::string content_handler_qualifier_;
  53   ContentHandlerPtr content_handler_;
  54   bool connection_closed_;
  55   // The id for this content handler.
  56   const uint32_t id_;
  57
  58   DISALLOW_COPY_AND_ASSIGN(ContentHandlerConnection);
  59 };
  60
  61 }  // namespace shell
  62 }  // namespace mojo
  63
  64 #endif  // MOJO_SHELL_CONTENT_HANDLER_CONNECTION_H_